Accessory for electric busbar



FIG. 1 is a front-left perspective view of the first embodiment of an accessory for an electric busbar showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a front-left perspective view of the second embodiment of an accessory for an electric busbar showing my new design;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof. 

CLAIM The ornamental design for an accessory for electric busbar, as shown and described. 